[Bug rtl-optimization/67465] [6 Regression] wrong code at -O3 on x86_64-linux-gnu

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67465

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
             Status|NEW                         |ASSIGNED
          Component|tree-optimization           |rtl-optimization
           Assignee|unassigned at gcc dot gnu.org      |ktkachov at gcc dot gnu.org
      Known to fail|                            |6.0

--- Comment #2 from ktkachov at gcc dot gnu.org ---
I have a patch that fixes PR 67456, PR 67464 and this PR.
I'll use this one as the testsuite addition since the others use printf to show
the bug and if I replace those with a __builtin_abort instead the bug doesn't
show itself.

Now testing...